• Tonight

    Feb 11

    Lo 9°

    Some clouds; frigid

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      10°
    • Hi
      RealFeel
      19°
    • Wind
      Speed
      7 mph
  • Fri

    Feb 12

    19°Lo -2°

    Cold with some sun returning

    Excellent for home energy
    • Avg
      RealFeel
      -10°
    • Hi
      RealFeel
    • Wind
      Speed
      16 mph
    more
  • Sat

    Feb 13

    12°Lo 4°

    Mostly sunny and frigid

    Excellent for home energy
    • Avg
      RealFeel
    • Hi
      RealFeel
    • Wind
      Speed
      9 mph
    more
  • Sun

    Feb 14

    23°Lo 19°

    A little afternoon snow

    Excellent for home energy
    • Avg
      RealFeel
    • Hi
      RealFeel
    • Wind
      Speed
      12 mph
    more
  • Mon

    Feb 15

    30°Lo 19°

    Not as cold with low clouds

    Good for home energy
    • Avg
      RealFeel
      20°
    • Hi
      RealFeel
      23°
    • Wind
      Speed
      9 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
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  1am 2am 3am 4am 5am 6am 7am 8am
Forecast
Cloudy
Cloudy
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Sunny
Mostly Sunny
Temp (°F) 10°
RealFeel® -1° -2° -3° -3° -6°
Humidity 71% 75% 76% 73% 70% 73% 76% 58%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Rain
 
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Snow
 
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Ice
 
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  1am 2am 3am 4am 5am 6am 7am 8am
Wind (mph) 7 NW 7 NW 7 NW 7 NNW 7 NNW 7 NNW 7 NNW 7 WNW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 59% 69% 27% 17% 25% 26% 0% 11%
Dew Point -1° -2° -2° -3° -2°
Middle Grid line 15 F Middle Grid line 10 F Middle Grid line 5 F Middle Grid line 0 F

Temperature History - Feb 11

more Historical Weather Data >
  Today Normal Record 2/11/2015
High 20° 30° N/A 33°
Low 12° N/A 13°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:55 AM with 10:25 of sunlight, then sets at 5:20 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:41 AM with 12:36 of moolight, then sets at 9:17 PM

Crystal Lake Weather Report

Chicago: Dangerous cold to hold through weekend

February 11, 2016; 6:20 PM ET

Conditions will continue to be dangerously cold into the weekend in the Chicago area. more >

Thu. Home Energy Efficiency

Thu. Degree Days

Thu. UV Index